I am sorry for asking this but, What makes you think ki does not exsist?
I am just wondering..........

Well there was that 10 year old girl who though of a way to see if those chi doctors where frauds. (you know those doctors who apparently move chi around to heal you)

Anyways what she did was make a divider with two holes, large enough to put your hands in (1 in each). The person on the other side of the divider would put their hand under one of the hands of the chi doctor. Now technicaly since you can feel someones chi, they should know which hand has the person hand near it and even if they didn't they have a 50/50 chance of getting it right.

I can't remember the exact results but they where pathetic. A large majority failed the test, I think it was over 10 tries or something.

I'm sure you could find out more information on it, if you googled it up or something.